List of top Chemistry Questions asked in IIT JAM BT

The following carboxylic acids have a general formula, R-COOH.
(i) HCOOH
(ii) CH$_3$ - COOH
(iii) ClCH$_2$ - COOH
(iv) CF$_3$ - COOH
Which one of the following represents the decreasing order of their respective pK$_a$ values?

Which one of the following ions has the maximum number of unpaired electrons?

For an ideal gas at room temperature, choose the CORRECT representation(s) of Boyle's Law.
(P = Pressure, V = Volume, T = Temperature)

The volume (in mL) required to prepare 350 mL of 1X buffer solution from a fifty times (50X) concentrated buffer stock solution is ..........

In a typical mammalian cell, the protein content is 20 % of its net weight. If the density and volume of the cell are 1.2 g/mL and 4 × 10$^{-9}$ mL, respectively, then the concentration (in mg/mL) of the protein is

H$_2$ reacts with trans-(Ph$_3$)$_2$Ir(CO)Cl to primarily produce ..........

Among the following species, the metal center that has the highest number of unpaired electrons is .............

The achiral molecules among the following (I, II, III and IV) are

Match the entries in Group I (Mechanical system) with analogous quantities in Group II (Electrical system)
Group I Group II
P) Proline 1) Artificial sweetener
Q) Oxytocin 2) Cyclic amino acid
R) Aspartame 3) β-Lactam
S) Penicillin 4) Peptide hormone

Which one of the following statements is CORRECT?

In the $ ^1H $ NMR spectrum, which one of the following compounds will show a triplet?

Which of the following statements is/are CORRECT?

Which of the following pairs of compounds can be distinguished by iodoform test performed in ammonium hydroxide?

The stability of the following carbocation arises from hyperconjugation with ........... number of hydrogen atoms.

Oxidation state of Fe in the complex $ K_3[Fe(CN)_5NO] $ is (+) ...........

The mechanism of the following reaction involves the formation of a .......... membered ring.

The number of axial C-H bond(s) in the major product (P) of the given reaction is ..............

A first order reaction is 87.5% complete at the end of 30 minutes. The half-life of the reaction is ............... minute(s).

The average energy of a diatomic gaseous molecule at temperature T is $\frac{5}{2} k_B T$. The average energy per degree of freedom is

The reaction that produces o-bromophenol as the major product is

The major product formed in the following reaction is

In acidic solution, permanganate ion is reduced by ferrous ion. The number of electrons involved in the reduction of permanganate ion is ............

The relationship between $\log_{10}(MW)$ and the retention factor $R_f$ is $\log_{10}(MW) = -2R_f + 3$. If the measured $R_f$ for a protein with 180 amino acids is 0.5, then the number of identical monomers in the protein is .............

The [H$^+$] of 0.1 N acetic acid solution is $1.33 \times 10^{-3}$. The pH of the solution (correct to two decimal places) is ..........

The elements with atomic numbers 19, 37 and 55