Nmdcat Practice Paper from PMDC Syllabus

A Prevents from oxidation of acetaldehyde B Prevents remaining alcohol from oxidizing C Prevents from reduction of acetaldehyde D Both a and b are incorrect

A An aldehyde always has only one R group on any single side of the carbonyl group or two H atoms on either sides of carbonyl group B Ketone must have two R groups on either sides of carbonyl group C Both of the above D Aldehydes have carbonyl group which has singled bonded O atom while ketones have doubled bonded O atom

A Ethers B Ketones C Acids D Aldehydes

A Less steric hindrance of alkyl group B Greater +I effect of alkyl group C Greater hindrance of alkyl group D Both b and c

A Same number as of the parent compound B Lesser number of carbon atoms than the parent compound C More number than parent compound D None of the above

A Both react with sodium bisulphite to form addition product B Both react with hydrazine to form hydrazones C Both react with hydroxylamine to form oximes D Both reduce ammonical silver nitrate to give silver

A Pear B Banana C Pineapple D Apple