# Q. X is heated with soda lime and gives ethane. X is

AFMCAFMC 2005Aldehydes Ketones and Carboxylic Acids

Solution:

## $\ce{$\underset{\mathrm{(X)}}{\ce{CH_3CH_2COONa }}$+NaOH->C[CaO][\Delta] CH_3 -CH_3+Na_2CO_3}$

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## 3. Which of the following attacks glass

The p-Block Elements - Part2

## 1. An acidic buffer solution can be prepared by mixing the solution of

IIT JEE 1981 Equilibrium

## 2. A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives

IIT JEE 2001 Aldehydes Ketones and Carboxylic Acids

## 3. Which of the following solutions will have pH close to 1.0 ?

IIT JEE 1992 Equilibrium

## 4. Acetone is mixed with bleaching powder to give

AFMC 2004 Aldehydes Ketones and Carboxylic Acids

## 5. 75% of a first order reaction was completed in 32 minutes. When was 50% of the reaction completed

COMEDK 2010 Chemical Kinetics

## 7. Acidic hydrogen is present in

IIT JEE 1985 Hydrocarbons

## 8. The oxidation state of Cr in CrO6 is :

NEET 2019 Redox Reactions

## 9. The order of stability of the following tautomeric compounds is :-

NEET 2013 Aldehydes Ketones and Carboxylic Acids

## 10. For a first order reaction, the time taken to reduce the initial concentration by a factor of 1/4 is 20 min. The time required to reduce initial concentration by a factor of 1/16 is

KEAM 2011 Chemical Kinetics