1
JEE Advanced 2018 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-0.75
Change Language
Treatment of benzene with $$CO/HCl$$ in the presence of anhydrous $$AlC{l_3}/CuCl$$ followed by reaction with $$A{c_2}O/NaOAc$$ gives compound $$X$$ as the major product. Compound $$X$$ upon reaction with $$B{r_2}/N{a_2}C{O_3},$$ followed by heating at $$473$$ $$K$$ with moist $$KOH$$ furnishes $$Y$$ as the, major product. Reaction of $$X$$ with $${H_2}/Pd$$-$$C,$$ followed by $${H_3}P{O_4}$$ treatment gives $$Z$$ as the major product.
The compound $$Z$$ is
A
JEE Advanced 2018 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 1
B
JEE Advanced 2018 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 2
C
JEE Advanced 2018 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 3
D
JEE Advanced 2018 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 4
2
JEE Advanced 2018 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
The compounds(s) which generate(s) $${N_2}$$ gas upon thermal decomposition below $${300^ \circ }C$$ is (are)
A
$$N{H_4}N{O_3}$$
B
$$\left( {N{H_4}} \right){}_2C{r_2}O{}_7$$
C
$$Ba{\left( {{N_3}} \right)_2}$$
D
$$M{g_3}{N_2}$$
3
JEE Advanced 2018 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
Based on the compounds of group $$15$$ elements, the correct statement(s) is (are)
A
$$B{i_2}{O_5}$$ is more basic than $${N_2}{O_5}$$
B
$$N{F_3}$$ is more covalent than $$Bi{F_3}$$
C
$$P{H_3}$$ boils at lower temperature than $$N{H_3}$$
D
The $$N-N$$ single bond is stronger than the $$P-P$$ single bond
4
JEE Advanced 2018 Paper 1 Offline
Numerical
+3
-0
Change Language
Consider an ionic solid $$MX$$ with $$NaCl$$ structure. Construct a new structure $$(Z)$$ whose unit cell is constructed from the unit cell of $$MX$$ following the sequential instructions given below. Neglect the charge balance.
$$(i)\,\,\,\,\,$$ Remove all the anions $$(X)$$ except the central one

$$(ii)\,\,\,\,$$ Replace all the face centered cations $$(M)$$ by anions $$(X)$$

$$(iii)\,\,$$ Remove all the corner cations $$(M)$$

$$(iv)\,\,\,\,$$ Replace the central anion $$(X)$$ with cation $$(M)$$

The value of $$\,\,\left( {{{number\,\,of\,\,anions} \over {number\,\,of\,\,cations}}} \right)\,\,$$ in $$Z$$ is ___________.
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