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Q1: CH2=CH-CH2-CH2-NH2 ---(NaNO2 (aq) + HCl) ---> Major Product. Identify major product! Options: a) CH3-CH(Cl)-CH2-CH2-OH b) (cyclopropane)-CH2-OH c) CH2=CH-CH2-CH2-OH d) CH2=CH-CH(OH)-CH3 Q2: H2O is leaving group D2O is ...
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Arrange the following in increasing order of extent of hydrolysis (A) PCl3 > AsCl3 > SbCl3 > BiCl3 (B) PCl3 > AsCl3 > BiCl3 > SbCl3 (C) BiCl3 > SbCl3 > AsCl3 > PCl3 (D )BiCl3 > SbCl3 > AsCl3 â ...
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Q12 added [1][1] 1) \int \sqrt{\frac{(1-cos\theta )}{cos\theta (1+cos\theta )(2+cos\theta )}}d\theta ans..................> cosec^{-1}(2cos^{2}\frac{\theta }{2})+c [ when solved will add new questions here.] 2) 2) \int \fr ...
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Q1. multi: cooloidal gold can be prepared by (a) bredig's arc method (b) reduction of AuCl3 (c) hydrolysis (d) peptization Q2. multi: Select correct statements (a) Buring carbylamine rkn, intermediate is carbene (b) During Do ...
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Number of S-S bond present in P4S3 is ___. Can we do this if we dont know the structure ? ...
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if y(1)=1 , y'(1)=1 and xyy''+xy'2 =3yy' then find y2(2) ??? 8.5 ...
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I never quite understood the concept of electrostatic shielding. In an effort to understand, posted three questions. Pls help in those. Post any thing valid u have in this concept *Image* there is a charge 'q' at P. O is cent ...
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Q1. (T/F) If the complex nos. z1, z2, z3 represent the vertices of an equilateral triangle such that |z1| = |z2| = |z3|, then z1+z2+z3 ≠0 (ans given: T) Q2. No. of ways to Arrange letters of the word INTERMEDIATE such that ...
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An optically active alcohol (A) [C6H10O] absorbs 2 moles of hydrogen per mole of [A] upon catalytic hydrogenation and gives a product [B].[B] is resistant to oxidation by CrO3 and does not show any optical activity.What is no ...
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Q.1 In the figure shown , the middle plate is given a charge q. Each plate has an area A and separation b/w adjacent plates is d each. *Image* a) with all the switches open , the energy of the system stored in the region b/w ...
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Cos(α - β)=1 & cos(α + β)= 1/e ; where α,β ε [-π,π] The number of pairs (α,β) which satisfy both the equations is -- (a) 0 (b) 1 (c) 2 (d) 4 ...
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people lets write out here some most common conceptual mistakes that we commit quite confidently..... ...
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C1=y2=4ax C2:the curve obtained by rotating the C1 120° in anti-clokwise direction C3: refllection of c2 wrt y=x S1 and s2 ,s3..are focus of the curves Q1.find the parametric eqn of C2 Q2.area of ΔOS2S3 Q3. AREA BOUNDED BY ...
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:: Single Option Correct :: *Image* (Thts a Methyl Group in Qn 2)) 3)Which can be prepared from NitroBenzene by SE reaction...? a) o-dinitro benzene b) p-dinitro benzene c) m-nitro toluene d) m-dinitro benzene ...
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in a ΔABC , radii of escribed circles are r1, r2 , r3 and radius of incircle is r. 1) A(z1) ; B(z2) ; C(z3) are the vertices of a ΔABC in argand plane and │z1-α│=│z2-α│=│z3-α│=8 then r1+r2+r3-r is...... 2) in ...
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plz recommend best bks for jee and aieee how is maths in 40 days of arihant for aieee and one of my frind is using it he feels its gud bok so plz reply. plz dont give cut copy paste anwers ! ...
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***Q2,4,5 done....plz reply only to Q1,3** *Image* ...
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If \begin{vmatrix} p & b & c\\ a & q & c\\ a& b & r \end{vmatrix}=0 find the value of p/p-a + q/q-b + r/r-c where a≠p. b≠q , and c≠r ans---- 2 ...
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how can we prove that if we are travelling at 99.99% speed of light towards or away from light then also speed of light relative to us is 3*108 m/s. ...
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plz recommend bks for maths for xii which consist of practice material as well as gud theory i.e proper explaination of concepts alo havig some drilling ouestions and i have just passed 11 and enterd 12 hence looking fr some ...
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a lot contain 20 articles.the probability that the lot contains exactly 2 defective articles is 0.4 and the probality of exactly three defective is 0.6.articles are drwan without replacement till all defective articles are dr ...
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what is : a) REgioselectivity b) STereospecific c) STereoselective d) STereogenic [7][7][7][7] ...
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Today is the last date for receiving aieee admit and i have not got it yet,as havent 2 of my friends.but in the city almost all of the rest have got the admit long back. should i procced according to the instructions in the b ...
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Has anyone got an idea as to the range of marks achievable in english in CBSE boards?Is 90 a gettable target? plz reply soon. ...
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Q1. The most stable complex is (a) [Cu(NH3)6]2+ (b) [Cu(NH3)4en]2+ (c) [Cu(NH3)2(en)2]2+ (d) [Cu(en)3]2+ ans given (c) Q2. Choose correct statement (a) *Image* on oxidation with HIO4 gives cyclopentanone and formaldehyde (b) ...
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Q. A container is filled with liq of density d upto a height h. now a pin hole having cross sectional area 'a' is made at the bottom of the container. The area of cross section of the container is A. take a/A = 2*10-4. The ac ...
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\begin{matrix} \textup{Column I} & \textup{Column II} \\ \textup{(a) Stability of complex}&\textup{(p) Electronic configuration of metal/metal ion} \\ \textup{(b) shape of complex} & \textup{(q) chelation effect}\\ \textup{(c ...