CUET Questions — Chemistry

Q13. [Cu(en)2]2+ is more stable than [Cu(NH3)4]2+ (a) It is a heteroleptic complex (b) Ethylene diamine has an alkyl group (c) Copper in +2 oxidation state is more stable (d) Ligand is didentate and f

Q1. Match List-I with List-II: List-I (А) Em²+/м for Zn is negative (B) Cr2+ is a reducing agent (C) V2O5 has a low melting point (D) Zr and Hf occur together in nature List-II (I) due to almost ident

Q5. According to the Raoult's law, vapour pressure of a solution is directly proportional to: (a) Mole fraction (b) Part per million (c) Mass percentage (d) Molality

Q31. The correct bond order for carbon-oxygen bond in following metal carbonyls [Cr(CO)6], [V(CO)6]-, [Mn(CO)6]+ is (a) [V(CO)6]- < [Cr(CO)6] < [Mn(CO)6]+ (b) [V(CO)] = [Cr(CO)6] = [Mn(CO)6]+ (c) [Mn(

Q6. When dilute aqueous solution of KI (excess) is added to AgNO3 solution, the charge on the AgI colloidal, particles formed will be:

Q41. Which of the following is the correct statement? (a) Phosphates have no biological significance in humans. (b) Between nitrates and phosphates, phosphates are less abundant in the earth's crust.

Q31. Yellow colour in NaCl is due to (a) Schottky defect (b) Metal excess defect due to anionic vacancies (c) Frenkel defect (d) Metal deficiency defect

Q48. At elevated temperature (~1000 K) the dominant form of sulphur is: (a) Rhombic Sulphur (b) Monoclinic Sulphur (c) S8 molecules (d) S2

Q41. Which is not true for the fuel cell?

Q6. A compound is formed by 2 elements P and Q. Atoms of element Q (as anions) makes ccp and those of P (as cations) fill all tetrahedral voids and also occupy half of the octahedral voids. What is th