1
JEE Main 2023 (Online) 11th April Evening Shift
+4
-1
Out of Syllabus

One mole of $$\mathrm{P}_{4}$$ reacts with 8 moles of $$\mathrm{SOCl}_{2}$$ to give 4 moles of $$\mathrm{A}, x$$ mole of $$\mathrm{SO}_{2}$$ and 2 moles of $$\mathrm{B} . \mathrm{A}, \mathrm{B}$$ and $$x$$ respectively are :

A
$$\mathrm{POCl}_{3}, \mathrm{~S}_{2} \mathrm{Cl}_{2}$$ and 4
B
$$\mathrm{PCl}_{3}, \mathrm{~S}_{2} \mathrm{Cl}_{2}$$ and 4
C
$$\mathrm{POCl}_{3}, \mathrm{~S}_{2} \mathrm{Cl}_{2}$$ and 2
D
$$\mathrm{PCl}_{3}, \mathrm{~S}_{2} \mathrm{Cl}_{2}$$ and 2
2
JEE Main 2023 (Online) 11th April Morning Shift
+4
-1

For compound having the formula $$\mathrm{GaAlCl}_{4}$$, the correct option from the following is :

A
$$\mathrm{Cl}$$ forms bond with both $$\mathrm{Al}$$ and $$\mathrm{Ga}$$ in $$\mathrm{GaAlCl}_{4}$$
B
Oxidation state of $$\mathrm{Ga}$$ in the salt $$\mathrm{GaAlCl}_{4}$$ is +3 .
C
$$\mathrm{Ga}$$ is coordinated with $$\mathrm{Cl}$$ in $$\mathrm{GaAlCl}_{4}$$
D
$$\mathrm{Ga}$$ is more electronegative than $$\mathrm{Al}$$ and is present as a cationic part of the salt $$\mathrm{GaAlCl}_{4}$$
3
JEE Main 2023 (Online) 6th April Morning Shift
+4
-1
Out of Syllabus

Match List I with List II

LIST I
Name of reaction
LIST II
Reagent used
A. Hell-Volhard-Zelinsky reaction I. $$NaOH + {I_2}$$
B. Iodoform reaction II. (i) $$Cr{O_2}C{l_2},C{S_2}$$ (ii) $${H_2}O$$
C. Etard reaction III. (i) $$B{r_2}$$ / red phosphorus (ii) $$H_2O$$
D. Gatterman-Koch reaction IV. $$CO,HCl,$$, anhyd. $$AlC{l_3}$$

Choose the correct answer from the options given below:

A
A-III, B-I, C-IV, D-II
B
A-III, B-I, C-II, D-IV
C
A-I, B-II, C-III, D-IV
D
A-III, B-II, C-I, D-IV
4
JEE Main 2023 (Online) 1st February Evening Shift
+4
-1
Out of Syllabus

The correct order of bond enthalpy ($$\mathrm{kJ~mol^{-1}}$$) is :

A
$$\mathrm{C-C > Si-Si > Sn - Sn > Ge-Ge}$$
B
$$\mathrm{Si-Si > C-C > Ge-Ge > Sn-Sn}$$
C
$$\mathrm{C-C > Si-Si > Ge-Ge > Sn-Sn}$$
D
$$\mathrm{Si-Si > C-C > Sn-Sn > Ge-Ge}$$
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