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Ketones (R(1)COR(2)):R(1)=R(2)=alkyl gro...

Ketones `(R_(1)COR_(2)):R_(1)=R_(2)`=alkyl group, can be obtained in one step by

A

hydrolysis of ester

B

oxidation of primary alcohols

C

oxidation of tertiary alcohols

D

reaction of acid halides with dialkyl cadmium

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The correct Answer is:
D
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Ketones (R-overset(O)overset("||")C-R') can be obtained in one step by (where R and R' are alkyl groups)

r+r_(3)+r_(1)-r_(2)=

Prove that (r_(1)+r_(2))/(1+cos C)=2R

[" Two cells of equal e.m.f.and of internal "],[" resistances "r_(1)" and "r_(2)(r_(1)>r_(2))" are "],[" connected in series.On connecting this "],[" combination to an external resistance "R" ,"],[" it is observed that the potential "],[" difference across the first cell becomes "],[" zero.The value of "R" will be "],[[" (A) "r_(2)(r_(1)>r_(2)),(r_(1)+r_(2))/(2)],[" (B) "r_(1)-r_(2),(r_(1)-r_(2))/(2)]]

OP TANDON-CARBOXYLIC ACIDS AND THEIR DERIVATIVES-Objective questions
  1. The product formed in above reaction is:

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  2. The reaction sequence given below gives products R. The structure...

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  3. Ketones (R(1)COR(2)):R(1)=R(2)=alkyl group, can be obtained in one ste...

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  4. Which of the followmg has the highest melting point ?

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  5. Which of the following is the most reactive towards nucleophilic subst...

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  6. H(2)N-CH(2)-CH(2)-NH(2) when reacts with diethyl oxalate gives:

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  7. The boiling points of acetic anhydride (I), propionic anhydride (II) a...

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  8. The hydrolysis of which of the following takes the longest time?

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  9. The product obtained in the following reaction, R(1)COOR(2)+RMXto ...

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  10. The product obtained in above reaction will be :

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  11. Reaction, CH(3)COOCH(3) +C(8)H(17)COOHunderset(Delta)overset( C(8)H(...

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  12. CH(3)COCl is used to detect the number of amino groups in the organic ...

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  13. Arrange the following compounds in the decreasing order of reactivity ...

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  14. Number of cross products in the given reaction, CH(3)COOC(2)H(5) + C...

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  15. In the following reaction, the product (A) will be :

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  16. Which one of the following compounds gives carboxylic acid with HNO(2)...

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  17. Natural wax is :

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  18. In the given reaction sequence, the final product [B] will be :

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  19. In the given reaction [X ] will be :

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  20. In the reaction sequence, [A]overset(HOH//OH^(-))toR-overset(O)overs...

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