MCQ
The $IUPAC$ name of $C{H_3} - \mathop {\mathop {CH}\limits_{|\,\,\,\,} }\limits_{OH} - C{H_2} - \mathop {\mathop {CH}\limits_{|\,\,\,\,} }\limits_{C{H_3}} - CHO$ will be
  • A
    $4-$ hydroxy $-1-$ methylpentanal
  • $4- $ hydroxy $-2-$ methylpentanal
  • C
    $3- $ hydroxy $-2-$ methylpentanal
  • D
    $3- $ hydroxy $-3-$ methylpentanal

Answer

Correct option: B.
$4- $ hydroxy $-2-$ methylpentanal
b
It’s obvious.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

When $100\,mL$ of $0.1\,M\,NaCN$ solution is titrated with $0.1\,M\,HCl$ solution the variation of $pH$ of solution with volume of $HCl$ added will be
Image

How many products will be obtained and how many can be separated by fractional distillation method?
Which of the following is correct regarding nitration of benzene ?
A solution at $20\,^oC$ is composed of  $1.5\,mol$ of benzene and $3.5\,mol$ of toluene. If the vapour pressure of pure benzene and pure toluene at this temperature are $74.7\,torr$ and $22 .3\, torr,$ respectively, then the total vapour pressure of the solution and the benzene mole fraction in equilibrium with it will be, respectively
One mole of an ideal gas is allowed to expand freely and adiabatically into vacuum until its volume has doubled. A statement which is not true concerning this expression is
Predict the major product of the given reaction.

Product $(A)$ is

At $300\, K$ and $1\, atm,\, 15\, mL$ of a gaseous hydrocarbon requires $375\, mL$ air containing $20\%\,\, O_2$ by volume for complete combustion. After combustion the gases occupy $330\, mL.$ Assuming that the water formed is in liquid form and the volumes were measured at the same temperature and pressure, the formula of the hydrocarbon is :
The hydrogen electrode is dipped in a solution of $\mathrm{pH}=3$ at $25^{\circ} \mathrm{C}$. The potential of the electrode will be_________ $\times 10^{-2} \mathrm{~V}$.$\left(\frac{2.303 \mathrm{RT}}{\mathrm{F}}=0.059 \mathrm{~V}\right)$
How many grams of dibasic acid (mol. wt. $200$) should be present in $100\,ml$ of its aqueous solution to give decinormal strength .......... $gm$.
Which of the following carbohydrate can not reduce tollen's reagent