Which of the following transition element shows the highest oxidation state
Which of the following transition element shows the highest oxidation state Options (a) V (b) Cr (c) Mn (d) Fe…
7 years ago
Chemistry
Which of the following is the most electronegative
Which of the following is the most electronegative Options (a) Co (b) Cu (c) Ni (d) Fe Correct Answer: CuExplanation:No…
7 years ago
The elements with atomic number 9,17,35,53,85 are called
The elements with atomic number 9,17,35,53,85 are called Options (a) inert gases (b) halogens (c) chalcogens (d) cnicogens Correct Answer:…
7 years ago
In NH₃ and PH₃, the common feature is
In NH₃ and PH₃, the common feature is Options (a) basic nature (b) odour (c) acidic nature (d) combustibility Correct…
7 years ago
Electrophoresis is the movement of colloidal particles under the effect of
Electrophoresis is the movement of colloidal particles under the effect of Options (a) light (b) gravity (c) magnetic field (d)…
7 years ago
Lyophilic colloids are stable due to
Lyophilic colloids are stable due to Options (a) small size of the particle (b) large size of particle (c) charge…
7 years ago
Standard electrode potential for Sn⁴⁺/Sn²⁺ couple is +0.15 V and that for the
Standard electrode potential for Sn⁴⁺/Sn²⁺ couple is +0.15 V and that for the Cr³⁺/Cr couple is -0.74 V. These two…
7 years ago
Which of the following will not displace hydrogen
Which of the following will not displace hydrogen Options (a) Hg (b) Pb (c) Ba (d) Sn Correct Answer: HgExplanation:Mercury…
7 years ago
AB crystallizes in a body centred cubic lattice with edge length ‘a’ equal
AB crystallizes in a body centred cubic lattice with edge length 'a' equal to 387 pm. The distance between two…
7 years ago
Antiferomagnetic substances possess
Antiferomagnetic substances possess Options (a) low magnetic moment (b) large magnetic moment (c) zero magnetic moment (d) any value of…
7 years ago