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I had my worst examination today. First of all, I had to stand at the centre for 3 hours in the blazing sun. Secondly, my examination room had only one fan that too at the end of the room. I was drenched in sweat and was phys ...
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The reaction of alcohols with Lucas reagent undergoes 1) SN1 2)SN2 Arihant is saying SN1, but I was taught SN2 (I have a very logical mechanism by sn2.) What u ppl think ? ...
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The reaction of alcohols with Lucas reagent undergoes 1) SN1 2)SN2 Arihant is saying SN1, but I was taught SN2 (I have a very logical mechanism by sn2.) What u ppl think ? ...
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Due to wrong guidance from askiitians, I wrote wrong state code of eligiblity and I am realising it now. Does that affect anything during counselling/seat allotment? ...
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I had my worst examination today. First of all, I had to stand at the centre for 3 hours in the blazing sun. Secondly, my examination room had only one fan that too at the end of the room. I was drenched in sweat and was phys ...
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I had my worst examination today. First of all, I had to stand at the centre for 3 hours in the blazing sun. Secondly, my examination room had only one fan that too at the end of the room. I was drenched in sweat and was phys ...
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I had my worst examination today. First of all, I had to stand at the centre for 3 hours in the blazing sun. Secondly, my examination room had only one fan that too at the end of the room. I was drenched in sweat and was phys ...
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If a charge q is placed at the centre of line joining two equal like charges Q,the system will be in equilibrium if q is a) -Q/2 b) -Q/4 c) +Q/2 d) +4Q Plz explain yur ans ...... ...
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27. Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate ? (a) The number of free electrons for conduction is significant only in Si and ...
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Three sound waves of equal amplitudes have frequencies (v -1), v, (v + 1). They superpose to give beats. What is the number of beats produced per second?? Please give detailed explanation. ...
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Let f(x) be a funcn. differentiable on [ 0 , a ] such that f(0) = 1 , f(a) = 31/6 . If f'(x) is greater than equal to [f(x)]4 + [f(x)]-2 , then the max. value of a is: (a) pi/6 (b) pi/12 (c) pi/24 (d) pi/36 ...
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27. Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate ? (a) The number of free electrons for conduction is significant only in Si and ...
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Three sound waves of equal amplitudes have frequencies (v -1), v, (v + 1). They superpose to give beats. What is the number of beats produced per second?? Please give detailed explanation. ...
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Ionisation energy of He+ is 19.6 × 10–18 J/atom. The energy of the first stationary state (n = 1) of Li2+ is? Using E = -2.18 x 10^-18 * Z2/n2 gives a wrong answer. What is the problem? ...
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Three sound waves of equal amplitudes have frequencies (v -1), v, (v + 1). They superpose to give beats. What is the number of beats produced per second?? Please give detailed explanation. ...
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optically activ alcohol: 3 methyl 2 penten-2-ol 2 ethyl 3 buten-1-ol both are opticly activ... plese confrm ...
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optically activ alcohol: 3 methyl 2 penten-2-ol 2 ethyl 3 buten-1-ol both are opticly activ... plese confrm ...
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have faith in urself,u have done enough to do well in JEE,feel the confidence in urself,it's ur day tomorrow,stay positive and focussed,all the very best ...
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In zeolite process, the sodium ions of zeolite exchange with: I.H+ ions II. Ca2+ ions III. OH- ions IV. Mg 2+ ...
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how does [Pt(NH3)2Cl4] show optical isomerism ? please explain giving diagramatic structures ...
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The total no. of optical isomers of the following compound are- *Image* Can somebody mark the chiral atoms plz? I got them as 5. If we go for the formula for no. of optical isomers, they will be way greater than 9...... P.S.: ...
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Q. What are the chain isomers of cyclopentane? Ans: Methylcyclobutane and 1,2-Dimethylcyclopropane. Why not 1,1 - dimethylcyclopropane? ...
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The molecules MLx is planar with 7 pairs of electrons around M in valence shell. The value of x is ... ?? Integer type.! ...
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if z-axis is the molecular axis then the p-molecular orbitals are formed by the overlap of (a) 2s and 2px (b) 2px and 2pz (c) 2px and 2px (d) 2py and 2pz ...
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y=Acos(wt-kx) y=Asin(wt+kx) Can they form stationary waves? I say yes. My book says no. Need a confirmation. ...
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Q. A hammer of mass M falls from a height h repeatedly to drive a pile of mass m into the ground. The hammer makes the pile penetrate in the ground to a distance d in single blow. Opposition to penetration is given by? ...
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if z-axis is the molecular axis then the p-molecular orbitals are formed by the overlap of (a) 2s and 2px (b) 2px and 2pz (c) 2px and 2px (d) 2py and 2pz ...
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plzz explain how to do this comprehension( JEE 2010) quesn no. 42 , 43 and 44... http://jee.iitd.ac.in/QP_M1_ANS.pdf ...
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The molecules MLx is planar with 7 pairs of electrons around M in valence shell. The value of x is ... ?? Integer type.! ...
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plzz just check this quesn How many 6 digit nos. of the type a1a2a3a4a5a6 are possible having the property a1>a2>a3<a4>a5>a6 i initially thot abt this process: 10C6 . 6C3 i.e. i am first selecting 6 nos. from 1 ...
