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The correct structure of tribromooctaoxide is
Match the following : (a) Pure nitrogen (i) Chlorine (b) Haber process (ii) Sulphuric acid (c) Contact process (iii) Ammonia (d) Deacon's process (iv) Sodium azide or Barium azide
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The correct order of the basic strength of methyl substituted amines in aqueous solution is :
Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following
Which part of the brain is responsible for thermoregulation? (1) Cerebrum (2) Hypothalamus (3) Corpus callosum (4) Medulla oblongata
What is the correct electronic configuration of the central atom in $K_4[Fe(CN)_6]$ based on crystal field theory?
Oxygen is not produced during photosynthesis by
The molarity of a $0.2 \text{ N } Na_2CO_3$ solution will be:
Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code: Column-I (a) $XeF_4$ (b) $XeF_6$ (c) $XeOF_4$ (d) $XeO_3$ Column-II (i) Pyramidal (ii) Square planar (iii) Distorted octahedral (iv) Square pyramidal
Which of the following statements is not correct?
If molality of the dilute solution is doubled, the value of molal depression constant ($K_f$) will be?
Offsets are produced by
Which one is not equal to zero for an ideal solution?
An aqueous solution of a weak monobasic acid containing $0.1 \text{ g}$ in $21.7 \text{ g}$ of water freezes at $272.817 \text{ K}$. If the value of $K_f$ for water is $1.86 \text{ K kg mol}^{-1}$, the molecular mass of the acid is:
Which one of the following is incorrect for an ideal solution?
Which of the following statements about the composition of the vapour over an ideal $1:1$ molar mixture of benzene and toluene is correct? Assume that the temperature is constant at $25^\circ\text{C}$. (Given, vapour pressure data at $25^\circ\text{C}$, benzene = $12.8 \text{ kPa}$, toluene = $3.85 \text{ kPa}$)
Of the following $0.10 \text{ m}$ aqueous solutions, which one will exhibit the largest freezing point depression?
The depression in freezing point of 0.01 M aqueous solutions of urea, sodium chloride and sodium sulphate is in the ratio of:
Match List - I with List - II List-I (A) Palm bones (B) Wrist bones (C) Ankle bones (D) Digit bones List-II (I) Phalanges (II) Metacarpals (III) Carpals (IV) Tarsals