NTA JEE Main 22nd July 2021 Shift 1
For the following questions answer them individually
NTA JEE Main 22nd July 2021 Shift 1 - Question 31
Which one of the following statements for D.I. Mendeleeff, is incorrect?
NTA JEE Main 22nd July 2021 Shift 1 - Question 32
Match List-I with List-II
| (a) SF$$_4$$ | Â (i) sp$$^3$$d$$^2$$ |
| (b) IF$$_5$$ | Â (ii) d$$^2$$sp$$^3$$ |
| (c) NO$$_2^+$$ | Â (iii) sp$$^3$$d |
| (d) NH$$_4^+$$ | Â (iv) sp$$^3$$ |
| Â (v) sp |
Choose the correct answer from the options given below:
NTA JEE Main 22nd July 2021 Shift 1 - Question 33
Match List-I with List-II
| (a) Ba | (i) Organic solvent soluble compounds |
| (b) Ca | (ii) Outer electronic configuration 6s$$^2$$ |
| (c) Li | (iii) Oxalate insoluble in water |
| (d) Na | (iv) Formation of very strong monoacidic base |
Choose the correct answer from the options given below:
NTA JEE Main 22nd July 2021 Shift 1 - Question 34
Given below are the statements about diborane
(a) Diborane is prepared by the oxidation of NaBH$$_4$$ with I$$_2$$
(b) Each boron atom is in sp$$^2$$ hybridized state
(c) Diborane has one bridged 3 centre-2-electron bond
(d) Diborane is a planar molecule
The option with correct statement(s) is
NTA JEE Main 22nd July 2021 Shift 1 - Question 35
Which purification technique is used for high boiling organic liquid compound (decomposes near its boiling point)?
NTA JEE Main 22nd July 2021 Shift 1 - Question 36
Which of the following compounds does not exhibit resonance?
NTA JEE Main 22nd July 2021 Shift 1 - Question 37
Which of the following molecules does not show stereo isomerism?
NTA JEE Main 22nd July 2021 Shift 1 - Question 38
In the chemical reactions given above A and B respectively are:
NTA JEE Main 22nd July 2021 Shift 1 - Question 39
The water having more dissolved O$$_2$$ is:
NTA JEE Main 22nd July 2021 Shift 1 - Question 40
Which one of the following 0.06 M aqueous solutions has lowest freezing point?
