Question Paper from: IIT JEE Mains Shift 2 25th July 2021

Correct Order of acidic strength from following compounds

In Kjeldahl's method, 0.8g of organic compound is used. The percentage of Nitrogen came out to be 42%. The _____ ml of 1M H₂SO₄ used to neutralize ammonia

The structure of cytosine is:

Which of the following compound is most stable:

(i) [Cr(en)₂(NH₃)₂]Cl₃ (ii) [Cr(en)₃]Cl₃ (iii) [Cr(en)(NH₃)₄]Cl₃ (iv) [Cr(NH₃)6]Cl₃

In which of the following compounds one $\pi$ bond is present and maximum canonical structure possible

Benzenenitrile with Grignard reagent from the product(P), which of the following chemical test given by the product (P)

(1) Schiff's reagent (2) Iodoform (3) Ninhydrin (4) Tollen's test

Nitro benzene reaction with SN+ HCl

Find the product 'P'

The correct options is

Increasing order of density:

(i) Benzene (ii) 1,3- DiChlorobenzene (iii) Chloro Benzene (iv) 1-Bromo-3-chlorobenzene

In the following reaction choose the output product

Maleic anhydride can be prepared by:

(i) Treating cis but-2-ene-1, 4-dioic acid with alcohol

(ii) Heating cis but-2-ene-1, 4-dioic acid

(iii) Treating trans but-2-ene-1, 4-dioic acid with alcohol and acid

(iv) Heating trans but-2-ene-1, 4-dioic acid

S1: CFCs are dissociated with to Cl radical by radiation of visible region.

S2: O₃ reacts with nitric oxide to form N₂ & O₂.

In the following ions, the spin only magnetic moment of $T{i}^{3+},S{c}^{3+},V^{2+}$ respectively are

In Which of the following reaction oxidation state changes by 5.

Biodegradable polyamide is formed by-

Match the List-I with List-II

For the following ions, the correct order of their Bond order is

$O_2^{-},O_2,O_2^{2-},O_2^{+}$

If the covalent radii of $F^{-}=1.33\mathring{A},O^{2-}=1.40\mathring{A}$ and for $N=0.74\mathring{A}$. Then which of the following is correct: