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Q what will be open form of this one ?? *Image* ...

Q D-erythrose is treated in different beakers with 1)HNO3 forming A 2)Br2/H2O forming B a)Comment on optical activity of A,B b)A dicarboxylic acid .T/F c)B forms lactone . T/F ...

Q. A spherical ball of mass m and radius r rolls without slipping on a rough concave surface of large radius R. It makes small oscillations about the lowest point. Find the time period. Answer:- 2π √ 7(R-r)/5g please show ...

conc. H2SO4 Q Phenol +Phthalic anhydride-----------------------> B fusion color of B is ?? ...

1)A Uniform cylinder of mass m & length L is released from rest , with its lower end touching a frictionless horizontal floor.At the initial moment , the rod is inclined at 300 with the vertical.Find the value of normal react ...

Can someone please tell me what are Cp , Cv values for monoatomic, diatomic and triatomic gases ?? ...

Show that if a rod held at an angle θ to the horizontal & released , its lower end will not slip if the friction coefficient between rod & ground is greater than (3 sinθcosθ )/(1+3sin2θ) ...

A man invites a party to (m+n) friends to dinner and places m at one round table and n at other.Find the no. of ways of arranging the guests . ...

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A carbonyl compound when reacts with NH2OH gives an oxime. The reaction is carried out at a pH equal to 5.What would be the product if the same reaction was carried out at a. pH=1 b. pH=13 ...

*Image* when reacts with MnO2 gives ____ ?? ...

Q.1 A ball B1 with mass(very small) m1 sits on the top of another ball B2 of mass m2. The bottom of B2 is at a height H above the ground and the bottom of B1 is at ht H+D above ground. Both ball are dropped from rest. All col ...

A uniformly charged ring of radius 0.1 m with afrequency 104 rps about its axis. The ratio of energy density of electric field to the energy density of magnetic field at a point an the axis at the distance 0.2 m from the cent ...

A co-axial cable is made up of two conductors. The inner conductor is solid and is of radius R1 and the outer conductor is hollow of inner radius R2 and outer radius R3. The space between the conductors is filled with air.The ...

A function f(x) = max.(sinx, cosx, 1-cosx) is not derivable for some x in [0, 2Ï€] which may lie in the interval....... A) [0,Ï€/2) B) [Ï€,3Ï€/2) C) [Ï€/2,Ï€) D) [3Ï€/2,2Ï€] (More than one options may be correct) ...

A ray of light is incident at a small angle "i" on a surface of a prism of small angle "A" & emerges normally frm the opposite face. If the refractive index of the prism material is "n", the angle of incidence "i" is nearly e ...

Question. If a,b,c,d are in H.P. ,then show that ab+bc+cd=3ad ...

What is the hybridisation of Cl in CH3Cl? Is it sp3 or unhybridised and the C-Cl bond is formed between sp3 orbital of C and p orbital of Cl? ...

Question...How is the sum of all arithmetic means between two given numbers related to the single arithmetic mean between those numbers. Show ur steps. Do not give the FORMULA directly. ...

P(x) be a polynomial of degree at most 5 which leaves -1 and 1 upon divison by (x-1)3 and (x+1)3 respectively then 1)no of real roots of p(x)=0 a)1 b)3 c)5 d)2 2)the maximum value of y=p"(x) can be obtained at x= a)-1/ 3 b)0 ...

the value of \int_{1}^{e}{} (1+x2logx)/(x+x2logx)dx is not giving the choices please verify the answer. ...

Design a synthesis for the transformation of 1-butyne to 3-octyn-6-ol using 1-butyne as the only source for carbons. ...

MULTIPLE ANSWER TYPE Two isotonic solutions have (A) the same weight concentrations (B) the same vapour pressure (C) Osmotic pressure (D) All ...

Question., A uniform solid cylinder of radius R=15cm rolls over a horizontal plane passing into an inclined plane forming an angle α=30 deg with the horizontal downwards. Find the max. value of the velocity vo which still pe ...

The equation \int_{0}^{x}{(t^2-8t+13)dt}=xsin(a/x) has a solution if sin(a/6) is equal to ? ...

A diwali cracker known as sudarshan chakra works on the principle of thrust. Consider such a toy the centre of which is hinged. The initial mass of the toy is M0 and radius is R. The toy is in the shape of a spiral the turns ...

A man with some passengers in his boat,starts perpendicular to flow of river 200m wide and flowing with 2m/s.Boat speed in still water is 4m/s.When he reaches half the width of the river the passangers asked him they want to ...

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Give me the products P and Q . no more information required to solve this one . I assure you this will test your concepts *Image* ...

*Image* From Carey. explain that circled line. C-C bonds also involved in hyperconjugation?? So, is C-C hyperconjugation more stabilising or C-H ??? ...