List of top Chemistry Questions on Aldehydes, Ketones and Carboxylic Acids asked in NEET (UG)

નીચેની પ્રતિક્રિયા શ્રેણી માટે સાચો વિકલ્પ પસંદ કરો:
બેન્ઝીન $\xrightarrow{i. CH_3COCl, AlCl_3} \xrightarrow{ii. NaOCl} P + Q$

નીચે દર્શાવેલ એલ્ડોલ કન્ડેન્સેશન પ્રતિક્રિયામાંથી મેળવી શકાતું નથી તે સંયોજન છે: [પ્રતિક્રિયા: સાયક્લિક કીટોન (gem-dimethyl સાથે) + PhCHO → (NaOH, Δ)]

નીચેની પ્રતિક્રિયાઓને ધ્યાનમાં લો અને સંયોજન P માટે સાચો વિકલ્પ પસંદ કરો.

The compound that CANNOT be obtained from the aldol condensation reaction shown below, is

Consider the following reaction, and choose the correct option.

Complete the following reactions:

Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?

\(RMgX + CO_2 (\text{dry})→(\text{ether}) Y (H_3O^+)→ RCOOH\)
What is Y in the above reaction?

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their

Compound $A, C_8H_{10}O$, is found to react with $NaOI$ (produced by reacting $Y$ with $NaOH$) and yields a yellow precipitate with characteristic smell. $A$ and $Y$ are respectively

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their

Consider the reactions :- Identify $A, X, Y$ and $Z$

Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?

Consider the following reaction ${ ->[H_2][pd-BaSO_4] 'A'}$ The product 'A' is -

Consider the reaction: ${ RCHO + NH2NH2 -> RCH = N - NH2 }$ What sort of reaction is it ?

Clemmensen reduction of a ketone is carried out in the presence of which of the following?

Follwoing compounds are given : (a)${CH3CH2OH }$ (b)${ CH3COCH3}$ (c)$CH_3- \underset{\overset{|}{C}H_3}{C}HOH$ (d)${CH3OH }$ Which of the above compounds(s), on being warmed with iodine solution and $NaOH$, will give iodoform ?

Given are cyclohexanol (I), acetic acid (II), 2, 4, 6-trinitrophenol (III) and phenol (IV). In these, the order of decreasing acidic character will be

A strong base can abstract an $\alpha$-hydrogen from

The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of

Trans esterification is the process of

Consider the following compounds: (i) $C_6H_5COCl$ The correct decreasing order of their reactivity towards hydrolysis is:

In a set of reactions propionic acid yielded a compound $D$. $CH_3CH_2COOH\xrightarrow{SOCL_2} B\xrightarrow{NH_3}C\xrightarrow [Br_2]{KOH} D$ The structure of $D$ would be