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Cerium (Z = S8) is an important member of lanthanoids. Which of the following statements about cerium is incorrect?
Concept: undefined >> undefined
White precipitate of AgCl dissolves in aqueous ammonia solution due to formation of ______.
Concept: undefined >> undefined
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The one that is not expected to show isomerism is ______.
Concept: undefined >> undefined
Number of electron-deficient molecules among the following:
PH3, B2H6, CCl4, NH3, LiH and BCl3
Concept: undefined >> undefined
Given below are two statements:
Statement I: On heating with KHSO4, glycerol is dehydrated and acrolein is formed.
Statement II: Acrolein has a fruity odour and can be used to test glycerol's presence.
Choose the correct option.
Concept: undefined >> undefined
Ceric aminonium nitrate and CHCl3/alc. KOH are used for the identification of functional groups present in ______ and ______ respectively.
Concept: undefined >> undefined
Which one of the following compounds of Group–14 elements is not known?
Concept: undefined >> undefined
Match List - I with List - II.
| List I | List II | ||
| (A) | Glucose + HI | (I) | Gluconic acid |
| (B) | Glucose + Br2 water | (II) | Glucose pentacetate |
| (C) | Glucose + acetic anhydride | (III) | Saccharic acid |
| (D) | Glucose + HNO3 | (IV) | Hexane |
Choose the correct answer from the options given below:
Concept: undefined >> undefined
The maximum prescribed concentration of copper in drinking water is ______.
Concept: undefined >> undefined
Which of the following conditions in drinking water causes methemoglobinemia?
Concept: undefined >> undefined
The correct match between Item - I and Item - D is:
| Item - I | Item - II | ||
| (A) | Norethindrone | (P) | Antibiotic |
| (B) | Ofloxacin | (Q) | Antifertility |
| (C) | Equanil | (R) | Hypertension |
| (S) | Analgesics |
Concept: undefined >> undefined
Arrange the following in the decreasing order of their covalent character.
(A) LiCl
(B) NaCl
(C) KCl
(D) CsCl
Choose the most appropriate answer from the options given below:
Concept: undefined >> undefined
Consider the above reactions, the product A and product B respectively are:
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The mixture of chloroxylenol and terpineol is an example of ______.
Concept: undefined >> undefined
In Freundlich adsorption isotherm, slope of AB line is:
Concept: undefined >> undefined
'A' and 'B' in the following reactions are:
Concept: undefined >> undefined
What are the products formed in sequence when excess of CO2 is passed in slaked lime?
Concept: undefined >> undefined
Given below are two statements:
Statements I: In the titration between strong acid and weak base methyl orange is suitable as an indicator.
Statement II: For titration of acetic acid with NaOH, phenolphthalein is not a suitable indicator.
In light of the above statements, choose the most appropriate answer from the options given below:
Concept: undefined >> undefined
The conversion of hydroxyapatite occurs due to presence of p - ions in water. The correct formula of hydroxyapatite is ______.
Concept: undefined >> undefined
