Chemistry Question Bank

CH CH Br on treatment with LiAlH4 gives ethane gas while (CH3)3C-Br on same treatment gives H2 gas because (OJEE 2009) (a) the former is SN2 and latter is E2 reaction

Which of the following reactions is an example of nucleophilic substitution reaction? (AIPMT 2009)

Which of the following is liquid at room temperature?

This reaction would follow which of the following pathway predominantly?

Among the following the most reactive towards alcoholic KOH is

(a) (b) (c) (d)

Major product: (a) (b) (c) (d)

What is the major product of the following reaction? (a) (b) (c) (d)

Choose the major product of the reaction. (a) (b) (c) (d) H2C CH CH CH C CH3 CH3 CH3 CH3 H Br CH2 CH CH C CH3 CH3 CH3 CH3 Me CO K -HBr

What is the major product of the following reaction? (a) (b) (c)

Isopropyl bromide on heating with a concentrated solution of alcoholic (ethanolic) KOH predominantly gives

When ethanal is treated with Fehling’s solution, it gives a precipitate of (AFMC 2010)

Which of the following compound will yield 2,5- dimethylhexan-1,6-dial upon ozonolysis?

On reductive ozonolysis yields

Which of the following yield 2 moles of formaldehyde on ozonolysis?

Which compound would give 5 – keto – 2 – methyl hexanal upon ozonolysis? (a) (b) (c) (d)

Which of the compounds with molecular formula C5H10 yields acetone on ozonolysis?

Which of the following gases when passed through warm dilute solution of H2SO4 in presence of HgSO4 gives acetaldehyde?

When but-2-yne is treated dil.H2SO4/HgSO4 the product formed is :

Which of the following on heating with aqueous KOH, produces acetaldehyde ?

A and B are respectively.

In the following reaction, product P is

Catalyst used in Rosenmund reduction is

What reagent is used in the Rosenmund reduction?

Reduction of acetonitrile in presence of SnCl2/HCl, followed by hydrolysis gives :