Question
| Column A | Column B |
| (1) Positive rays or canal rays | (a) n = A-Z |
| (2) Discovery of neutron | (b) isotones |
| (3) ${ }_{14}^{30} Si$ and ${ }_{15}^{31} P$ | (c) Chadwick |
| (4) Number of neutrons | (d) Proton |
| Column A | Column B |
| (1) Positive rays or canal rays | (a) n = A-Z |
| (2) Discovery of neutron | (b) isotones |
| (3) ${ }_{14}^{30} Si$ and ${ }_{15}^{31} P$ | (c) Chadwick |
| (4) Number of neutrons | (d) Proton |
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| Column A | Column B |
| (1) $CO _3^{2-}$ | (a) Bond order 1.33 |
| (2) $MgCl _2$ | (b) $O _2^{-}$ |
| (3) Zero bond order | (c) lonic compound |
| (4) Super oxide | (d) $BeF _2$ |
| Column A | Column B |
| (1) Acidity | (a) Velocity per second |
| (2) Acceleration | (b) Heterogenous mixture |
| (3) Mixture of iron filling and sulphur powder | (c) Chemical properties |
| (4) Diamond | (d) Elements |
| Column A | Column B |
| 1. Alkyne | (a) $CH _2= CH -$ |
| 2. Paddy alcohol | (b) $C _{ n } H _{2 n } O _2$ |
| 3. Vinyl | (c) $C _{ n } H _{2 n -2}$ |
| 4. Carboxylic acid | (d) $C _2 H _5 OH$ |
| Column A | Column B |
| 1. Bayer's reagent | (a) $C _{12}$ to $C _{16}$ |
| 2. Ozonolysis of but-2-ene | (b) $CH _3- CH _2- CHO$ |
| 3. Hydroformylation of ethene | (c) Test for unsaturation |
| 4. Kerosene oil | (d) $CH _3 CHO$ |
| 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) Shape of orbitals | (a) $-13.6 \times \frac{ Z ^2}{n^2} eV$ per atom |
| (2) First postulate of Bohr model | (b) Total values of 1 |
| (3) Energy of electrons in Bohr's orbital $\left( E _{ n }\right)$ | (c) Azimuthal quantum numbers |
| (4) Number of subshells in any shell | (d) $m V^2=\frac{ Ze ^2}{r}$ |
| Column A | Column B |
| (1) Unit of amount of substance | (a) Physical properties |
| (2) Cancer treatment medicine | (b) Mole |
| (3) $10^9$ | (c) Cisplatin |
| (4) Viscocity | (d) giga |
| Column A | Column B |
| (1) Bond angle 120° | (a) $s p^3-s p^3$ overlapping |
| (2) $H _2^{-}< H _2{ }^{+}< H _2$ | (b) $\left[ Ni ( CN )_4\right]^{2-}$ |
| (3) $d s p^2$ hybridisation | (c) Benzene |
| (4) C-C bond in ethane | (d) Increasing order of stability |
| Column A | Column B |
| (1) Planck's quantum theory | (a) dipositive charge |
| (2) Value of $l$ for 3d | (b) E = hv |
| (3) Numbers of unpaired electron in $Fe ^{+2}$ | (c) 2 |
| (4) Charge on a particle | (d) 4 |
| Column A | Column B |
| (1) $\left[ H ^{+}\right]=\left[ OH ^{-}\right]$ | (a) Neutral solution |
| (2) POH > PH | (b) N=2x M |
| (3) 1 M HCI solution | (c) Acidic solution |
| (4) For $H _2 SO _4$ | (d) pH = 0 |