If the molar masses of two chemically non-reacting gases $\mathrm{A}_2$ and $\mathrm{B}_2$ are 28 amu and 32 amu respectively and 0.8 g of $\mathrm{A}_2$ and 0.4 g of $B_2$ are enclosed in a container with a total pressure of 820 mm of Hg , then the partial pressure of $A_2$ in atmosphere unit is $\_\_\_\_$
0.75
0.43
4.34
7.51
The basic character of transition metal monoxides follows the order:
$\mathrm{VO}>\mathrm{CrO}>\mathrm{TiO}>\mathrm{FeO}$
$\mathrm{FeO}>\mathrm{CrO}>\mathrm{VO}>\mathrm{TiO}$
$\mathrm{TiO}>\mathrm{VO}>\mathrm{CrO}>\mathrm{FeO}$
$\mathrm{CrO}>\mathrm{TiO}>\mathrm{FeO}>\mathrm{VO}$
Propanal on reaction with dilute NaOH , undergoes aldol condensation resulting in the formation of a compound A . identify the correct structure of A and name of the compound.




Select the reagents needed to convert Benzene to 4-Bromophenylpropene in the correct sequential order.
(A). $\mathrm{Cl}_2 / \Delta$
(B). $\left(\mathrm{CH}_3\right)_2-\mathrm{CHCl}$ /anhyd. $\mathrm{AlCl}_3$
(C). Alc. KOH
(D). $\mathrm{Br}_2 / \mathrm{Fe}$
D, A, C, B
D, C, A, B
A, C, B, D
B, D, A, C
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