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Mdcat-past-papers Quiz

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3981. Which compound is formed when magnesium is reacted with 2 molecules of water?



3982. Which pair of ions have five unpaired electrons?



3983. Electronegativity of Al is approximately equal to:



3984. Which of the following alkali metals forms only normal oxide with O₂?



3985. Third period element that initially reacts rapidly with oxygen to form a protective oxide coating that prevents further reactions is:



3986. Cu²⁺ salt solution is blue in color due to transition of electrons from:



3987. Potassium ferrocyanide is which type of salt?



3988. In K₄[Fe(CN)₆], the number of ligands are:



3989. Complex compounds have:



3990. Element with highest boiling point is:



3991. Highest oxidation state among d-block elements belongs to:



3992. Transition metals form alloys due to:



3993. Which oxidation state gives evidence of d-orbital?



3994. Oxidation number of central metal atom is written in which language?



3995. Which of the following is not a thermosetting polymer?



3996. Trend of unpaired electrons of transition elements:



3997. Which of the following property increases down the group in alkali metals?



3998. The solubility of alkaline earth metal compounds:



3999. When a metal carbonate is heated at 100°C, which of the following compound will readily decompose?



4000. The compound with an atom, which has an unshared pair of electrons is called: