Question
| Column A | Column B |
| (1) Hydrolysis of $BCl _3$ | (a) Most acidic oxide |
| (2) $Cl _2 O _7$ | (b) Be and Al |
| (3) Diagonal relationship | (c) $H _3 BO _3$ |
| (4) Outermost electronic configuration of s-block | (d) $ns ^1$ and $ns ^2$ |
✓
Answer
(1) (c), (2), (a) (3), (b), (4) (d).
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Match column A and column B and choose the right code :
→| Column A | Column B |
| 1. Oxidation number of S in $H _2 SO _5$. | (a) Always integer |
| 2. Bleaching powder | (b) Equivalent weight $=$ Molecular weight |
| 3. In $FeSO _4 \cdot 7 H _2 O$ | (c) $CaOCl _2$ |
| 4. Valency | (d) $+6$ |
| Column A | Column B |
| (1) Li, Na, K | (a) 7 |
| (2) Number of periods in periodic table | (b) Elements of group 18 |
| (3) Noble gases | (c) ununseptium |
| (4) Atomic mass 117 | (d) Dobereiner's triad |
| Column A | Column B |
| (1) Standard state of substance | (a) $\Delta G =\Delta H - T \Delta S$ |
| (2) Entropy of sublimation | (b) 1 atm pressure and 298 K temperature |
| (3) Gibbs equation | (c) non-crystalline |
| (4) Glass | (d) $\Delta S _{\text {sub }}=\frac{\Delta H _{\text {(sub) }}}{ T }$ |
Match the column A with column B and select the correct code.
→| Column A | Column B |
| 1.$CH _3 CH _2 OH$ and $CH _3 OCH _3$ | (a) Negative carbon $sp ^3$ hybridization |
2.  | (b) $- NO ^2$ group |
| 3. $: \overline{ C } H _3$ | (c) Functional group isomerism |
| 4. $-I$ effect | (d) Metamerism |
Match the column A with column B and select the correct code.
→| Column A | Column B |
| 1. Secondary amine | (a) $-al$ |
| 2. Carbinol | (b) $C _{10} H _{22}$ |
| 3. Decane | (c) $R - NH - R ^{\prime}$ |
| 4. $- CHO$ group | (d) $CH _3 OH$ |
| Column A | Column B |
| (1) Spontaneous process | (a) conversion of ice to water |
| (2) Entropy | (b) $\Delta G$ negative |
| (3) Mechanical energy | (c) Measure of disorder of system |
| (4) Isothermal process | (d) conversion of mechanical energy to kinetic energy |
| Column A | Column B |
| (1) Nodal plane for $P _x$ orbital | (a) 6s, 5p, 4d |
| (2) 3 unpaired electrons in nitrogen | (b) yz |
| (3) Orbitals for n = 5, $l$=2 and m =0 | (c) Hund's law of maximum |
| (4) Orbitals for n+$l$ = 6 | (d) $5 dz ^2$ |
Match column A and column B and choose the right code :
→| Column A | Column B |
| 1. $Cr _2 O _{7( aq )}^{2-} \longrightarrow Cr _{( aq )}^{+3}$ | (a) Reduction |
| 2. $2 Br _{2(l)} \longrightarrow 4 Br _{( aq )}^{-}$ | (b) Oxidation |
| 3. $CuSO _4$ | (c) Reduction |
| 4. $Na _2 S_2 O _3$ | (d) Reducing agent |
| Column A | Column B |
| (1) Deci | (a) atomic mass |
| (2) Equivalent weight of atom Valency | (b) weight-weight unit |
| (3) $6.022 \times 10^{22}$ carbon atom | (c) 1/10 |
| (4) Molality | (d) 1.2 gm carbon |
Match the column A with column B and select the correct code.
→| Column A | Column B |
| 1.Nucleophilic | (a) Hydrogen |
| 2. Electrophilic | (b) $: \stackrel{\ominus}{ N } H _2$ |
| 3. Stability of carbanion | (c) Nitrogen ion |
| 4. Zero inductive effect | (d) $1^{\circ}>2^{\circ}>3^{\circ}$ |