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Which of the following ores are concentrated by cyanide of group 1^st element?

a. Sphalerite b. Malachite c. Calamine d. Siderite Answer: (a) Cyanide acts as a depressant and is therefore used to concentrate the... View Article

Which of the following pairs are isostructural

a) TiCl4, SiCl4 b) SO2-3, CrO2-3 c) NH3, NO-3 d) ClF3, BCl3 a. A, B b. A, C c. B, C d. A, D Answer: (a) Isostructural compounds... View Article

Find A and B.

Answer: (c)... View Article

Which reagent (A) is used for the following given conversion?

a. Cu / ∆ / high pressure b. Molybdenum Oxide c. Manganese Acetate d. Potassium Permanganate Answer: (b) Molybdenum Oxide acts as a... View Article

The products A and B are:

Answer: (a) Alkenes reacting with cold, dilute KMnO4 will give 1,2-diols (vicinal diols). This is called syn- dihydroxylation. CrO3 cannot... View Article

Identify the major product:

Answer: (b)... View Article

Global Cybersecurity – India in Top 10: RSTV – Big Picture

Rajya Sabha TV programs and discussions are very insightful and informative from a UPSC perspective. In this article, we provide a gist of the... View Article

What is the major product of the following reaction?

Answer: (c) Since HI is an acid, the pi bond attacks H+ and a carbocation intermediate is formed. Since this is a secondary carbocation,... View Article

What is the major product of the following reaction?

Answer: (a) 1. The lone pair of oxygen attacks H+ from HCl 2. Removal of H2O takes place, forming a 2o carbocation intermediate. 3.... View Article

Match the following:

(i) Caprolactam (ii) Acrylonitrile (iii) 2-chlorobuta-1,3-diene (iv) 2-Methylbuta-1,3-diene p>(a) Neoprene (b) Buna N (c) Nylon – 6 (d) Natural... View Article

The gas evolved due to anaerobic degradation of vegetation causes:

a. Global warming and cancer b. Acid rain c. Ozone hole d. Metal corrosion Answer: (a) Anaerobic degradation means the breakdown in the... View Article

Which force is responsible for the stacking of the α-helix structure of protein? Hydrogen (¹H, ²H, ³H) is ________

a. H-bond b. Ionic bond c. Covalent bond d. Van der Waals forces Answer: (a) Hydrogen bond is responsible for the stacking of α-helix... View Article

The missing reagent P is:

Answer: (a) (Pink Colour)... View Article

What is the reason for the formation of a meta product in the following reaction?

a. Aniline is ortho/para directing b. Aniline is meta directing c. In acidic medium, aniline is converted into anilinium ion, which is... View Article

[latex]Fe{{C}_{2}}{{O}_{4}},F{{e}_{2}}{{({{C}_{2}}{{O}_{4}})}_{3}},FeS{{O}_{4}},F{{e}_{2}}{{(S{{O}_{4}})}_{3}}[/latex] one mole each, will react with how many moles of [latex]KMn{{O}_{4}}[/latex]

a.1 b.2 c.3 d.5 Answer: (b) ∴ Total:... View Article

For [latex]Z{{r}_{3}}{{(P{{O}_{4}})}_{4}}[/latex] the solubility product is K_sp and solubility is S. Find the correct relation.

a. b. c. d. Answer: (a) It is A3B4 type of salt Hence... View Article

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Archives

Which of the following ores are concentrated by cyanide of group 1^st element?

Which of the following pairs are isostructural

Find A and B.

Which reagent (A) is used for the following given conversion?

The products A and B are:

Identify the major product:

Global Cybersecurity – India in Top 10: RSTV – Big Picture

What is the major product of the following reaction?

What is the major product of the following reaction?

Match the following:

The gas evolved due to anaerobic degradation of vegetation causes:

Which force is responsible for the stacking of the α-helix structure of protein? Hydrogen (¹H, ²H, ³H) is ________

The missing reagent P is:

What is the reason for the formation of a meta product in the following reaction?

[latex]Fe{{C}_{2}}{{O}_{4}},F{{e}_{2}}{{({{C}_{2}}{{O}_{4}})}_{3}},FeS{{O}_{4}},F{{e}_{2}}{{(S{{O}_{4}})}_{3}}[/latex] one mole each, will react with how many moles of [latex]KMn{{O}_{4}}[/latex]

Three mole of Ag is heated from 300 K to 1000 K. Calculate ΔH when P = 1 atm and C_P = 23 + 0.01 T.

In isoelectronic species [latex]C{{l}^{-}},Ar,C{{a}^{2+}}[/latex] size differ due to

Which of the following is the strongest oxidizing agent?

Given complexes are low spin complexes,

For [latex]Z{{r}_{3}}{{(P{{O}_{4}})}_{4}}[/latex] the solubility product is K_sp and solubility is S. Find the correct relation.

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